The 994-039038-058 from M2 Global Technology is a RF & Microwave Isolator with Frequency 2.7 to 2.9 GHz, Average Power Forward 30 W, Average Power Reverse 30 W, Insertion Loss 0.35 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for 994-039038-058 can be seen below.